Patents by Inventor Sei-Young Yun

Sei-Young Yun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030133884
    Abstract: The present invention relates to a dry type tooth-whitening patch comprising peroxide as a tooth whitening agent. In particular, disclosed is a dry type tooth-whitening patch in which peroxide is contained, as a teeth whitening agent, in a matrix type adhesive layer. The adhesive layer includes, as a base polymer thereof, a hydrophilic glass polymer, which provides a strong adhesion to teeth while releasing the tooth whitening agent when hydrated on the enamel layers of teeth in the moist oral cavity.
    Type: Application
    Filed: September 13, 2002
    Publication date: July 17, 2003
    Inventors: Sug-Youn Chang, Ji-Young Kim, Jong-Ho Kim, Sei-Young Yun
  • Publication number: 20030082114
    Abstract: The present invention relates to a dry type tooth whitening patch comprising peroxide as a tooth whitening agent. In particular, disclosed is a dry type tooth whitening patch in which a peroxide is contained, as a teeth whitening agent, in a matrix type adhesive layer. The adhesive layer includes, as a base polymer thereof, a hydrophilic glass polymer which provides a strong adhesion to teeth while releasing the tooth whitening agent when hydrated on the enamel layers of teeth in the moist oral cavity. The dry type patch according to the present invention is convenient in use, as compared to wet type patches. Further, it exhibits a superior adhesion while being maintained in a state attached to the teeth for a lengthened period of time so as to assure an enough contact time between the whitening agent in the patch and stains on the teeth, thereby giving a sufficient whitening effect.
    Type: Application
    Filed: February 19, 2002
    Publication date: May 1, 2003
    Inventors: Ji-Young Kim, Jong-Ho Kim, Sug-Youn Chang, Sei-Young Yun